Your browser opens the recording.
It is decoded by your browser's own decoder at 8,000 samples a second, which is plenty for a picture. Every channel counts toward each column.
SOLIPSIUM Super resolution audio engine
Free audio tool
Draw a recording's waveform as a picture to print or share.
Turn a voice message or a song into a waveform picture in your browser. Choose the style, colours and size, then save a PNG or an SVG.
Drop a recording here
Your browser draws it on this device. The file is not uploaded.
MP3, M4A, WAV, FLAC, OGG, Opus or WebM, up to 30 minutes or 200 MB.
Your picture
Save it
The PNG is saved at the size you chose. The SVG is the same drawing as vector paths.
How it works
One column for each slice of time.
The recording is split into equal slices, from 16 to 400 of them, and each slice becomes one column as tall as its loudest sample or its average level. The tallest column fills the picture, so a quiet recording draws as large as a loud one.
You choose how it looks.
Bars draws a rectangle for each column, Filled one solid shape through them, and Line its outline. Pick the wave colour and the background, or leave the background transparent. Move Start and End to draw only part of the recording.
It is saved as PNG or SVG.
The PNG has the pixel size you chose, up to 4800 x 1600 or 3000 x 3000. The SVG holds the shapes as paths, which a printer or an engraver can scale to any size.
Questions
Before you save.
PNG or SVG?
A PNG is a grid of pixels at the size you chose, which suits a phone screen or a post. An SVG describes the shapes, so it stays sharp when it is printed large.
Can I print it large?
Use the SVG. A PNG prints sharp up to its pixel size: 4800 x 1600 pixels is 16 by about 5.3 inches at 300 dots an inch.
Can I draw only part of the recording?
Yes. Move Start and End, and the picture redraws as you move them.
Why does a long recording look like a solid block?
Each column covers one slice of the recording. In a long recording every slice holds many words or beats, and nearly every slice has a loud moment, so the columns come out the same height. Draw a shorter part, or set Height from to Average level, which draws quiet stretches lower.
Can I put it in a video?
Save a PNG at 1920 x 1080, the size of a full HD video, and use it as the picture in MP3 to MP4.
Is my file uploaded?
No. Your browser opens the recording and draws the picture on this device. This page sends no audio to Solipsium.
Record the message first.
The online voice recorder saves a WAV or an MP3 in your browser, ready to draw here.